動畫總結(UIView的動畫)

Main.storyboard

ViewController.m

//

//  ViewController.m

//  8A08.動畫總結

//

//  Created by huan on 16/2/6.

//  Copyright © 2016年 huanxi. All rights reserved.

//

 

#import "ViewController.h"

 

@interface ViewController ()

 

@property (weak, nonatomic) IBOutlet UIImageView *imageView;

 

@end

 

@implementation ViewController

 

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    //打印中心點 position anchorPoint

#warning 默認圖層的"position" 就是「控件」的中心點

    NSLog(@"中心點 %@",  NSStringFromCGPoint(self.imageView.center));

    NSLog(@"position %@",  NSStringFromCGPoint(self.imageView.layer.position));

    NSLog(@"anchorPoint %@",  NSStringFromCGPoint(self.imageView.layer.anchorPoint));

}

 

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{

    //動畫總結

//    [self test1];

//    [self test2];

//    [self test3];

//    [self test4];

    

}

//1. UIView動畫

-(void)test1{

    

    [UIView beginAnimations:nil context:nil];

    //設置時間

    [UIView setAnimationDuration:3];

    //監聽動畫的完成

    [UIView setAnimationDelegate:self];

    [UIView setAnimationDidStopSelector:@selector(stop)];

    //實現動畫代碼

    self.imageView.center = CGPointMake(200, 200);

    [UIView commitAnimations];

    

}

//2.UIView的block動畫

-(void)stop{

    NSLog(@"%s", __func__);

}

 

-(void)test2{

    [UIView animateWithDuration:3 animations:^{

        self.imageView.center = CGPointMake(200, 200);

 

    } completion:^(BOOL finished) {

        NSLog(@"動畫完成");

    }];

}

 

//3.UIView的轉場動畫

-(void)test3{

//    UIViewAnimationOptionTransitionNone            = 0 << 20, // default

//    UIViewAnimationOptionTransitionFlipFromLeft    = 1 << 20,

//    UIViewAnimationOptionTransitionFlipFromRight   = 2 << 20,

//    UIViewAnimationOptionTransitionCurlUp          = 3 << 20,

//    UIViewAnimationOptionTransitionCurlDown        = 4 << 20,

//    UIViewAnimationOptionTransitionCrossDissolve   = 5 << 20,

//    UIViewAnimationOptionTransitionFlipFromTop     = 6 << 20,

//    UIViewAnimationOptionTransitionFlipFromBottom  = 7 << 20,

 

    [UIView transitionWithView:self.imageView duration:3 options:UIViewAnimationOptionTransitionFlipFromLeft animations:^{

        //更改圖片

        self.imageView.image = [UIImage imageNamed:@"2.jpg"];

    } completion:^(BOOL finished) {

        NSLog(@"動畫完成");

    }];

}

//核心動畫  核心動畫是一個假象

-(void)test4{

//    self.imageView.image = [UIImage imageNamed:@"2.jpg"];

//    //轉場動畫

//    CATransition *animation = [CATransition animation];

//    animation.type = @"push";

//    

//    [self.imageView.layer addAnimation:animation forKey:nil];

    //核心動畫是一個假象 給你一個效果（效果以後就恢復）

    //平移動畫

    CABasicAnimation *positionAni = [CABasicAnimation animation];

    positionAni.keyPath = @"position";

    

    NSLog(@"核心動畫以前的position %@", NSStringFromCGPoint(self.imageView.layer.position));

    positionAni.toValue = [NSValue valueWithCGPoint:CGPointMake(200, 300)];

    //核心動畫 要監聽動畫完成 設置代理

#warning 核心動畫的代理是NSObject的分類，因此不須要遵照協議

    positionAni.delegate = self;

    [self.imageView.layer addAnimation:positionAni forKey:nil];

}

 

#pragma mark 核心動畫的代理

-(void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{

//    NSLog(@"動畫完成");

    NSLog(@"核心動畫以後的position %@", NSStringFromCGPoint(self.imageView.layer.position));

 

}

@end